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Ruby on Rails Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2013-1857 - Vulnerability Database
Ruby on Rails

Ruby on Rails Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2013-1857

Medium
Reference: CVE-2013-1857
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2013-1857
Title: Ruby on Rails Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability
Overview:

The sanitize helper in lib/action_controller/vendor/html-scanner/html/sanitizer.rb in the Action Pack component in Ruby on Rails before 2.3.18 3.0.x and 3.1.x before 3.1.12 and 3.2.x before 3.2.13 does not properly handle encoded : (colon) characters in URLs which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted scheme name as demonstrated by including a ampx3a sequence.